NDLI: Coiled bodies in nuclei from plant cells evolving from dormancy to proliferation

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Computerized automated morphometric assay including frequency estimation of pentachlorophenol induced nuclear anomalies (micronucleus) in catfish Heteropneustes fossilis

Chromosoma Prize 2001

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Coiled bodies in nuclei from plant cells evolving from dormancy to proliferation

Content Provider	Springer Nature Link
Author	Acevedo, Ricardo Samaniego, Rafael More Díaz de la Espina, Susana
Copyright Year	2001
Abstract	To characterise the coiled bodies in meristematic nuclei of Saccharum officinarum, immunofluorescence labelling with antibodies against components of the splicing (U2B′′ and Sm core protein B) and pre-rRNA processing (fibrillarin) complexes was used in cells from the dormant root primordia and from roots at different times after activation to the steady state of proliferation. The number, size and distribution of coiled bodies varied in the meristematic tissue depending on cell activity. While G0 cells in the dry primordia and proliferating cells showed a similar number of coiled bodies attached to their nucleoli, the number of nucleoplasmic coiled bodies greatly increased after the primordia were stimulated to proliferate. Their number remained steady from the time the meristematic population reached the steady state of proliferation, as estimated by flow cytometry. Fractionation studies demonstrated that coiled bodies are a part of the underlying nuclear matrix. Comparison of immunocytochemical and cytochemical data from confocal and electron microscopical studies demonstrated that the nucleolar and nucleoplasmic coiled bodies detected by confocal microscopy shared many features, suggesting that they form a family of closely related structures.
Starting Page	559
Ending Page	569
Page Count	11
File Format	PDF
ISSN	00095915
Journal	Chromosoma
Volume Number	110
Issue Number	8
e-ISSN	14320886
Language	English
Publisher	Springer-Verlag
Publisher Date	2001-12-18
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Genetics Genetics (clinical)

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